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Finding the Fourth Proportional to 10,692.79, 14,756.10 and 5,976.97

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Solution

The fourth proportional to 10,692.79, 14,756.10 and 5,976.97 is: 8,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.79 : 14,756.10 = 5,976.97 : x
  2. Step 2: Convert to fraction form
    10,692.79/14,756.10 = 5,976.97/x
  3. Step 3: Cross multiply
    10,692.79x = 14,756.10 × 5,976.97
  4. Step 4: Simplify right side
    10,692.79x = 88,196,767.02
  5. Step 5: Solve for x
    x = 88,196,767.02/10,692.79
  6. Step 6: Final answer
    x = 8,248.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.